p,
h1,
h2,
h3,
h4,
h5,
h6,
form,
input,
fieldset,
legend,
select,
blockquote,
address,
ul,
ol,
dl,
dt,
dd,
header,
footer,
section,
input,
button,
body {
    margin: 0;
    padding: 0;
}

html,
body {
    height: 100%;
}

li {
    list-style: none;
}

a,
ins {
    text-decoration: none;
}

img {
    border: 0;
    vertical-align: middle;
}

body {
    font: 16px "微软雅黑";
}

em,
i,
b,
strong,
h1,
h2,
h3,
h4,
h5,
h6,
address,
samp {
    font-style: normal;
    font-weight: normal;
}

.clear {
    content: "";
    display: block;
    height: 0;
    clear: both;
    visibility: hidden;
    overflow: hidden;
}